#include <stdio.h>
#include <math.h>
int main() {
	double r,h;
	printf("Inpur radius, enter and input height.\n");
	scanf("%lf%lf",&r,&h);
	printf("Bottom area: %lf\nSide area: %lf\nVolume: %lf\n",M_PI*r*r,M_PI*2*r*h,M_PI*r*r*h);
	return 0;
}